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LSWW21

WLRA - soil pit WW21- landscape
Stranded beach ridge near Gymbowen

WLRA - soil pit WW21- profile
Mottled, Eutrophic, Brown CHROMOSOL

    Location

South of Gymbowen, western Victoria

    Landform

Ridge

    Geology

Quaternary Lowan Formation: aeolian fine to medium grained dune sand

    Element

Hillcrest

Horizon
Depth (cm)
Description

A11

0–20

Brown (10YR4/3); sand; single grain (structureless); pH 5.9.

A12

20–45

Brown (10YR4/3); sand; single grain (structureless); pH 6.8.

2A

45–75

Reddish brown (5YR4/4); sand; single grain (structureless); weak consistence when dry; few manganese nodules; pH 6.5.

2B

75–85

Yellowish brown (10YR5/6) with abundant very coarse prominent dark yellowish brown mottles; light clay (sandy); strong fine polyhedral structure; very firm consistence when dry; pH 6.0.

2C

85–130+

Parilla Sand.

Management considerations

  • Deep texture contrast profile
  • Two different sand deposits, evidence of wind erosion and deposition.
  • Sandy and hydrophobic topsoil.
  • Acidic topsoil and subsoil.
  • Thin subsoil forming from weathering of the Parilla sand. Slightly acidic
  • Landform element is a hillcrest, well drained site drainage

Horizon
Depth (cm)
pH (water)
pH (CaCl2)
EC
dS/m
A11
0–20
5.9
4.9
<0.05
A12
20–45
6.8
5.7
<0.05
2A
45–75
6.5
5.2
<0.05
2B
75–85
6
4.9
<0.05
2C
85–130+
NA
NA
NA